Arithmetic Sequences and Series A sequence is an ordered list of numbers. The sum of the terms of a sequence is called a series. Read More: What is the pattern of numbers? Sequences While some sequences are simply random values, other sequences have a definite pattern that is used to arrive at the sequence's terms. Two such sequences are the arithmetic … [Read more...] about Arithmetic Sequences and Series
Sequences
Sequences In the previous lesson, we learned about pattern of numbers. In this lesson we discuss about Sequences. https://www.youtube.com/watch?v=7EmWdysUk0c A sequence is an ordered list of numbers. The sum of the terms of a sequence is called a series. Each number of a sequence is called a term (or element) of the sequence. A finite sequence contains a … [Read more...] about Sequences
How are soaps and detergents different?
How are soaps and detergents different? Table : Difference between soaps and detergents Soaps Detergents 1. They are sodium or potassium salts of fatty acids 1. They are sodium or potassium salts of sulphonic acids. 2. They have –COONa group 2. They have –SO3Na group 3. They do not work well with hard water, acidic water and saline water 3. They work … [Read more...] about How are soaps and detergents different?
What is the Working Principle of DC Generator
What is the Working Principle of DC Generator What is DC generator Working Principle of DC generator: A DC generator stands for direct current electric generator. A DC generator produces direct current. A DC generator is also called DC dynamo. A simple DC generator diagram is shown in fig. Construction of DC generator | Working Principle of DC generator A simple DC … [Read more...] about What is the Working Principle of DC Generator
What are the Different Types of Fuels and Their Characteristics
What are the Different Types of Fuels and Their Characteristics Fuels Most of the substances used for burning are fuels. Substances that produce heat and light energy on burning are called fuels. Some commonly used fuels are wood, coal, cow dung cakes, kerosene, LPG, petrol, and diesel. We use fuels for cooking, heating, in automobiles, and for the generation of … [Read more...] about What are the Different Types of Fuels and Their Characteristics